97 7.3 wont shut off - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 12-30-2012, 06:13 PM Thread Starter
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97 7.3 wont shut off

i am having a problem with my 7.3 not wanting to shut off. i have replaced the glow plug relay. i have checked it as well. i am getting power to 1 big post all the time and both small ones all the time unless i remove one small wire that will also kill the truck. can and one help with this please
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post #2 of 6 Old 01-13-2013, 05:10 AM
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have you found the problem yet? check ignition switch? has to be electrical to cut power to injectors .I would think

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post #3 of 6 Old 01-13-2013, 01:04 PM
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so your diesel is.....dieseling? haha. sorry i couldn't resist. by the way, have you made any mods to your truck? how long has this been going on for? did it start AFTER you did something to it?

2004 1/2 Excursion, Edge Evolution CTS, 4" Exhaust, K&N Intake, Blue Spring Upgrade, Homemade Bypass Coolant filter, BPD Semi Bullet Proof system and 6 phase FICM set to 53v
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post #4 of 6 Old 01-13-2013, 04:07 PM Thread Starter
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It was the ECU. The ECU sends a ground to the glow plug relay and the glow plug relay shorted out the ECU
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post #5 of 6 Old 01-13-2013, 04:07 PM
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I would check your ignition switch. That's strange since it starts up fine?

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post #6 of 6 Old 01-17-2013, 02:09 PM
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97 7.3 wont shut off

Good to know.


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2004 1/2 Excursion, Edge Evolution CTS, 4" Exhaust, K&N Intake, Blue Spring Upgrade, Homemade Bypass Coolant filter, BPD Semi Bullet Proof system and 6 phase FICM set to 53v
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